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Hawes Mechanical Television Archive by James T. Hawes, AA9DT
Full-Color, LED Display Calculator



Choose 3 or 2-color display: 3-Color Display 2-Color Display

• Only For 2-Color Displays:
Choose color combination: Red & Cyan  
  Orange & Blue-Green  

• For All Displays:
Total number of LEDs =

Mcd spec for

= mCd

Mcd spec for

= mCd

Mcd spec for

= mCd

Notice: LEDs must have similar viewing angles. 4-1-2013: Calculator now proportions LED quantities according to NTSC television theory.



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♦ CAUTION. Use this calculator script (program) at your own risk. The author assumes no responsibility for your success or failure in using methods from this page. The author neither warrants nor guarantees accuracy or effectiveness of his programs, circuits or methods. The author makes no guarantee that the program on this page is suitable for any purpose. You may only use the program for personal applications. If you desire to use the program for profit, contact the author for a license.


All pages & LEDspec software: Copyright © 2003, 2004, 2005 by James T. Hawes. All rights reserved.

•URL: http://www.hawestv.com/amplifiers/mtvLEDdesign/2or3color.htmWebmaster: James T. Hawes
•Revision—April, 2013 •Page design tools: HTML, Notepad & Explorer